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MySQL error 1449: The user specified as a definer does not exist
...
This commonly occurs when exporting views/triggers/procedures from one database or server to another as the user that created that object no longer exists.
You have two options:
1. Change the DEFINER
This is possibly easiest to do when initially importing your database objects, by removin...
Alternate table row color using CSS?
...dd the following to your html code (withing the <head>) and you are done.
HTML:
<style>
tr:nth-of-type(odd) {
background-color:#ccc;
}
</style>
Easier and faster than jQuery examples.
sh...
How much faster is C++ than C#?
...nced JIT optimizations being complicated to implement, and the really cool ones are only arriving just now.
So C++ is faster, in many cases. But this is only part of the answer. The cases where C++ is actually faster, are highly optimized programs, where expert programmers thoroughly optimized the ...
Why does casting int to invalid enum value NOT throw exception?
...ype will fail to initialize
/// (throwing a <see cref="TypeInitializationException"/>) if
/// you try to provide a value that is not an enum.
/// </summary>
/// <typeparam name="T">An enum type. </typeparam>
public static class EnumUtil<T>
where T : struct, IConver...
Sqlite: CURRENT_TIMESTAMP is in GMT, not the timezone of the machine
... given a unix
timestamp 1092941466, and compensate
for your local timezone.
SELECT datetime(1092941466, 'unixepoch', 'localtime');
That didn't look like it fit my needs, so I tried changing the "datetime" function around a bit, and wound up with this:
select datetime(timestamp, 'localtime')...
INSERT statement conflicted with the FOREIGN KEY constraint - SQL Server
...finding the answer. The checked answer on this page is indeed the correct one, unfortunately I feel that the answer is a bit incomplete for people not as familiar with SQL. I am fairly apt at writing code but SQL queries are new to me as well as building database tables.
Despite the checked answer...
Set style for TextView programmatically
...xml file? if not programmatically. There are reasons not to use xml files, one of them is I am used to write code to build the UI so I don't want to learn a new way of doing it since my memory is limited and I want to keeps some room for other things.
– Iharob Al Asimi
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How to merge two sorted arrays into a sorted array? [closed]
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I'm surprised no one has mentioned this much more cool, efficient and compact implementation:
public static int[] merge(int[] a, int[] b) {
int[] answer = new int[a.length + b.length];
int i = a.length - 1, j = b.length - 1, k = answ...
How to avoid null checking in Java?
...ill be included in the error.
An assert statement throws an Error (AssertionError) if the condition is not true. By default, Java ignores assertions. You can enable assertions by passing the option -ea to the JVM. You can enable and disable assertions for individual classes and packages. This m...
SPA best practices for authentication and session management
...ll fail if your attacker finds a way to execute any javascript code on someone else's browser.
This renders a lot of RESTful authentication schemes impossible or silly if you're intending to use a JavaScript client. Let's look!
HTTP Basic Auth
First and foremost, HTTP Basic Auth. The simplest ...